Every November in Hillsboro, OR from 1929 to 2025, ranked: the mean temperature, the mean high and the mean low from the warmest, the precipitation from the wettest; a year missing more than a tenth of its days is not ranked.
| Year | Mean, °F | Rank | High, °F | Rank | Low, °F | Rank | Precipitation, in | Rank | Days missing |
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| 2025 | 47.7 | 9 | 55 | 13 | 40.4 | 11 | 4.13 | 63 | 0 |
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| 2024 | 45 | 42 | 51.4 | 61 | 38.7 | 31 | 7.13 | 24 | 0 |
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| 2023 | 44.3 | 53 | 53.4 | 31 | 35.2 | 64 | | | 0 |
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| 2022 | 40.1 | 82 | 49.1 | 86 | 31 | 89 | 5.21 | 52 | 0 |
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| 2021 | 46.9 | 17 | 53.5 | 29 | 40.3 | 12 | 6.64 | 29 | 0 |
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| 2020 | 44 | 56 | 51.8 | 58 | 36.2 | 58 | 5.34 | 49 | 0 |
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| 2019 | 44.5 | 50 | 54.3 | 17 | 34.6 | 70 | 1.16 | 92 | 0 |
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| 2018 | 45.1 | 38 | 54.2 | 18 | 35.9 | 61 | 2.61 | 80 | 0 |
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| 2017 | 45.8 | 32 | 52.3 | 46 | 39.2 | 23 | 7.38 | 21 | 0 |
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| 2016 | 49.5 | 3 | 56.2 | 6 | 42.9 | 3 | 6.25 | 32 | 0 |
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| 2015 | 42 | 76 | 50.2 | 75 | 33.8 | 80 | 4.00 | 67 | 0 |
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| 2014 | 44.7 | 48 | 52.2 | 47 | 37.3 | 48 | 2.83 | 77 | 1 |
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| 2013 | 43.5 | 62 | 51.8 | 58 | 35.3 | 63 | 2.73 | 79 | 0 |
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| 2012 | 46 | 30 | 52.7 | 39 | 39.2 | 23 | 7.59 | 18 | 0 |
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| 2011 | 42 | 76 | 49.6 | 80 | 34.3 | 74 | 5.38 | 48 | 0 |
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| 2010 | 43.4 | 63 | 49.7 | 79 | 37.1 | 50 | 5.23 | 51 | 0 |
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| 2009 | 44.5 | 50 | 52.2 | 47 | 36.7 | 52 | 5.72 | 39 | 0 |
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| 2008 | 46.9 | 17 | 53.9 | 23 | 39.8 | 15 | 4.51 | 56 | 0 |
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| 2007 | 42.5 | 72 | 51.2 | 64 | 33.9 | 77 | 3.90 | 69 | 0 |
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| 2006 | 44.8 | 45 | 51 | 67 | 38.5 | 34 | 12.88 | 1 | 0 |
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| 2005 | 41.3 | 78 | 50.6 | 71 | 32 | 87 | 6.09 | 34 | 0 |
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| 2004 | 43.6 | 60 | 50.8 | 69 | 36.4 | 57 | 2.61 | 80 | 0 |
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| 2003 | 42.7 | 69 | 50.4 | 73 | 35 | 66 | 4.43 | 58 | 0 |
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| 2002 | 45.1 | 38 | 55.2 | 11 | 35 | 66 | 2.61 | 80 | 0 |
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| 2001 | 46.1 | 29 | 53.3 | 32 | 38.8 | 30 | 8.54 | 13 | 1 |
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| 2000 | 40 | 84 | 49.3 | 84 | 30.6 | 90 | 2.16 | 86 | 0 |
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| 1999 | 47.9 | 8 | 55 | 13 | 40.7 | 10 | 6.91 | 26 | 0 |
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| 1998 | 46.6 | 20 | 51.8 | 58 | 41.5 | 6 | 9.03 | 11 | 2 |
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| 1997 | 52.6 | 1 | 59.7 | 1 | 45.5 | 1 | 5.91 | 38 | 0 |
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| 1996 | 44.1 | 55 | 50.4 | 73 | 37.8 | 42 | 9.21 | 9 | 0 |
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| 1995 | 50.2 | 2 | 56.8 | 3 | 43.5 | 2 | 8.32 | 15 | 0 |
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| 1994 | 39.8 | 85 | 46 | 92 | 33.7 | 82 | 6.32 | 31 | 1 |
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| 1993 | 38.6 | 89 | 47.5 | 90 | 29.8 | 92 | 1.26 | 91 | 1 |
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| 1992 | 45.2 | 37 | 51.3 | 62 | 39.1 | 26 | 4.54 | 55 | 0 |
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| 1991 | 46.4 | 23 | 52.7 | 39 | 39.9 | 14 | 5.66 | 41 | 2 |
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| 1990 | 45.1 | 38 | 52.2 | 47 | 38.1 | 39 | 3.57 | 70 | 1 |
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| 1989 | 46.6 | 20 | 53.7 | 26 | 39.4 | 20 | 3.15 | 74 | 0 |
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| 1988 | 46.2 | 27 | 52.1 | 51 | 40.3 | 12 | 8.00 | 16 | 0 |
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| 1987 | 47.2 | 15 | 55.2 | 11 | 39.2 | 23 | 2.83 | 77 | 0 |
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| 1986 | 46.2 | 27 | 53.3 | 32 | 39.1 | 26 | 5.52 | 43 | 0 |
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| 1985 | 36.5 | 90 | 43.3 | 93 | 29.6 | 93 | 3.51 | 71 | 0 |
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| 1984 | 44.8 | 45 | 51.9 | 56 | 37.6 | 47 | 11.00 | 6 | 1 |
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| 1983 | 48 | 7 | 54 | 21 | 42 | 4 | 11.08 | 5 | 0 |
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| 1982 | 42.2 | 75 | 50.5 | 72 | 33.9 | 77 | 4.18 | 62 | 1 |
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| 1981 | 47.1 | 16 | 56.4 | 5 | 37.8 | 42 | 5.44 | 45 | 0 |
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| 1980 | 46.9 | 17 | 54.1 | 20 | 39.7 | 17 | 6.99 | 25 | 0 |
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| 1979 | 43.8 | 57 | 52.5 | 42 | 35.1 | 65 | 4.01 | 66 | 0 |
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| 1978 | 39.4 | 87 | 48.3 | 88 | 30.2 | 91 | 3.43 | 73 | 1 |
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| 1977 | 43.4 | 63 | 50.1 | 76 | 36.6 | 54 | 6.00 | 36 | 0 |
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| 1976 | 46.4 | 23 | 56.8 | 3 | 36 | 60 | 0.87 | 94 | 0 |
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| 1975 | 44.3 | 53 | 51.2 | 64 | 37.3 | 48 | 4.40 | 59 | 0 |
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| 1974 | 46.3 | 25 | 54.4 | 16 | 38.1 | 39 | 6.62 | 30 | 0 |
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| 1973 | 43 | 66 | 49.1 | 86 | 37.1 | 50 | 12.76 | 2 | 1 |
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| 1972 | 46.3 | 25 | 53.6 | 27 | 39 | 28 | 5.31 | 50 | 0 |
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| 1971 | 44.8 | 45 | 51.3 | 62 | 38.3 | 38 | 6.05 | 35 | 0 |
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| 1970 | 45.5 | 35 | 52.9 | 36 | 38.1 | 39 | 4.88 | 54 | 0 |
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| 1969 | 45.6 | 34 | 53.5 | 29 | 37.7 | 46 | 3.09 | 75 | 0 |
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| 1968 | 45.9 | 31 | 52.4 | 45 | 39.4 | 20 | 6.77 | 28 | 0 |
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| 1967 | 47.3 | 13 | 55.9 | 7 | 38.7 | 31 | 2.47 | 83 | 0 |
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| 1966 | 47.5 | 11 | 55.7 | 8 | 39.3 | 22 | 5.71 | 40 | 0 |
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| 1965 | 47.3 | 13 | 54.8 | 15 | 39.8 | 15 | 6.85 | 27 | 0 |
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| 1964 | 41.1 | 79 | 49.3 | 84 | 32.9 | 85 | 7.26 | 23 | 1 |
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| 1963 | | | | | 38.4 | 36 | 5.57 | 42 | 7 |
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| 1962 | 46.6 | 20 | 53.6 | 27 | 39.5 | 19 | 10.36 | 8 | 1 |
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| 1961 | 42.3 | 74 | 50.1 | 76 | 34.4 | 72 | 4.49 | 57 | 1 |
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| 1960 | 45.7 | 33 | 52.9 | 36 | 38.4 | 36 | 8.36 | 14 | 0 |
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| 1959 | 43.8 | 57 | 52.8 | 38 | 34.6 | 70 | 3.44 | 72 | 2 |
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| 1958 | | | 52 | 53 | 38.5 | 34 | 5.42 | 47 | 5 |
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| 1957 | 43.6 | 60 | 53.1 | 35 | 34.1 | 75 | 2.89 | 76 | 0 |
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| 1956 | 42.7 | 69 | 51 | 67 | 34.4 | 72 | 1.06 | 93 | 0 |
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| 1955 | 41.1 | 79 | 47.5 | 90 | 34.7 | 69 | 7.64 | 17 | 0 |
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| 1954 | 48.7 | 4 | 55.4 | 9 | 42 | 4 | 5.47 | 44 | 0 |
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| 1953 | 48.2 | 6 | 55.3 | 10 | 40.9 | 8 | 5.44 | 45 | 1 |
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| 1952 | 39.3 | 88 | 49.8 | 78 | 29 | 94 | 1.56 | 90 | 2 |
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| 1951 | 45.1 | 38 | 51.9 | 56 | 38.7 | 31 | 6.20 | 33 | 2 |
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| 1950 | 44.9 | 44 | 52.1 | 51 | 37.8 | 42 | 7.32 | 22 | 0 |
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| 1949 | 48.7 | 4 | 57.8 | 2 | 39.6 | 18 | 4.25 | 61 | 0 |
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| 1948 | 42.6 | 71 | 49.6 | 80 | 35.5 | 62 | 7.56 | 19 | 2 |
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| 1947 | 45.3 | 36 | 54 | 21 | 36.6 | 54 | 4.09 | 65 | 0 |
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| 1946 | 42.5 | 72 | 52 | 53 | 33 | 84 | 7.45 | 20 | 0 |
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| 1945 | 44.6 | 49 | 52.5 | 42 | 36.7 | 52 | 10.63 | 7 | 1 |
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| 1944 | 43.3 | 65 | 52.5 | 42 | 34.1 | 75 | 4.26 | 60 | 0 |
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| 1943 | 43.7 | 59 | 54.2 | 18 | 33.1 | 83 | 2.46 | 84 | 0 |
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| 1942 | 43 | 66 | 49.5 | 82 | 36.5 | 56 | 12.49 | 3 | 0 |
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| 1941 | 45 | 42 | 52.2 | 47 | 37.8 | 42 | 5.08 | 53 | 1 |
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| 1940 | 42.8 | 68 | 50.8 | 69 | 34.9 | 68 | 4.12 | 64 | 2 |
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| 1939 | 44.4 | 52 | 52.7 | 39 | 36.1 | 59 | 1.80 | 89 | 3 |
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| 1938 | | | | | 33.8 | 80 | 3.99 | 68 | 4 |
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| 1937 | 47.6 | 10 | 53.8 | 25 | 41.4 | 7 | 9.07 | 10 | 0 |
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| 1936 | 40.1 | 82 | 52 | 53 | 28.1 | 95 | 0.40 | 95 | 0 |
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| 1935 | 39.8 | 85 | 47.8 | 89 | 31.8 | 88 | 1.98 | 87 | 0 |
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| 1934 | 47.4 | 12 | 53.9 | 23 | 40.9 | 8 | 11.65 | 4 | 0 |
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| 1933 | | | 51.1 | 66 | | | 1.83 | 88 | 8 |
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| 1932 | | | 53.2 | 34 | 39 | 28 | 8.92 | 12 | 4 |
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| 1931 | 41.1 | 79 | 49.5 | 82 | 32.7 | 86 | 6.00 | 36 | 1 |
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| 1930 | | | | | 33.9 | 77 | 2.28 | 85 | 6 |
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| 1929 | | | | | | | | | 6 |
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